Beginners - January 2022 (Page 6)

I'm starting to pay attention to run-time and thinking about how to write more efficient codes. when I run the example code below, run time is about 5ms usin...

[10 replies] Last: ^^^ nice circle back to the original post, which said that finding the... (by jonnin)

by jjardin61

Passing a "char[]" in a function

Hi, I'm having trouble getting the function to work here. ERROR = Error C2664 'void oLokumRates(int,int,int,bool,char )': cannot convert argument 5 fro...

[4 replies] Last: OK, thanks! Works now... (by jjardin61)

by noweedi

i want to my while loop stop after my function bool return false

i want to my while loop stop after my function bool return false #include <iostream> using namespace std; bool numbers() { cout << "guess a nu...

[4 replies] Last: int main() { while( !numbers() ) ; // keep calling the function t... (by JLBorges)

by jjardin61

string compare

Hi, I'm just trying to get string compare to work. It assigns b = 0; So it doesn't enter the if statement. But tt = "AGGR" so I don't see why the equa...

[5 replies] Last: To compare two std::string objects for equality, use == . For a ... (by JLBorges)

by thmm

benefits of ethical hacking

Could be a troll. First post and general question. We have seen this quite often here.

[10 replies] Last: I kinda disagree, but I'll play nice (for once). :Þ (by deleted account xyzzy)

by impetus

Explain Syntax Constructor call

Need to help to understand syntax of Constructor call below: Array::Array( int arraySize ) : size( arraySize > 0 ? arraySize : throw invalid_argument( "Ar...

[6 replies] Last: Array::Array( const Array &arrayToCopy ) : size( arrayToCopy.size ), ... (by impetus)

by J123654

Please help with a task

I started learning c++ not a long time ago and i cannot complete one task, more specifically I can't find remnant. What am I doing wrong? Btw excuse me for bad...

[5 replies] Last: Thanks to everyone, I already solved it! (by J123654)

by SubZeroWins

Rename folder with folder size

I am about to start coding file system manipulation for the first time & I thought I would make myself a well needed windows program that renames my directories...

[18 replies] Last: For C++17 I suggest this book which has a chapter on filesystem: C++1... (by seeplus)

by memepapa

example code incompatible with gcc

I am able to run the following code on hackerrank's online compiler but I can't get it to work properly on my macbook's terminal (gcc compiler) the code is m...

[12 replies] Last: thanks againtry, I have learnt from your example (by memepapa)

by ryansspace

Keeps reading the cout no matter what the string is.

So I have set up predefined keywords as chars and it checks if the mood input is equal to first the weezer char, then the nirvanaisbad chars, etc etc, and if it...

[2 replies] Last: As C++17: #include <string> #include <iostream> #include <algorithm... (by seeplus)

by memepapa

non-aggregate type 'set<int>' cannot be initialized with an initializer list

hi all, especially JLBorges who has been extremely helpful. i split time learning from books and youtube tutorials (while practicing coding questions on hack...

[2 replies] Last: As C++20, this is simply: #include <iostream> #include <set> int m... (by seeplus)

by Shervan360

Why should we use struct for stack?

Hello, Why should we use struct for stack? Can we use another type to create a struct? for example: create stuct with class!

[2 replies] Last: c++ has multiple built in stacks. you would only make another for lea... (by jonnin)

by impetus

pre-17 C++ static double

How can I amend the code to make static double work in this context? I researched and found I could use inline in 17 version of C++. I'm into pre-17, so i'm a...

[16 replies] Last: #include <iostream> struct SEXP { static volatile int i; static ... (by seeplus)

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